Home / 87,083,874.77-130,594,687.90-28,780,762.05

Finding the Fourth Proportional to 87,083,874.77, 130,594,687.90 and 28,780,762.05

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Solution

The fourth proportional to 87,083,874.77, 130,594,687.90 and 28,780,762.05 is: 43,160,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,083,874.77 : 130,594,687.90 = 28,780,762.05 : x
  2. Step 2: Convert to fraction form
    87,083,874.77/130,594,687.90 = 28,780,762.05/x
  3. Step 3: Cross multiply
    87,083,874.77x = 130,594,687.90 × 28,780,762.05
  4. Step 4: Simplify right side
    87,083,874.77x = 3,758,614,637,371,962
  5. Step 5: Solve for x
    x = 3,758,614,637,371,962/87,083,874.77
  6. Step 6: Final answer
    x = 43,160,856.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.